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Phenolic epoxy acrylate

B-191A


Product features:

B-191A is a phenolic epoxy acrylate obtained via phenolic epoxy acrylation. It is solvent-free and its reaction process is diluted with approximately 40% by mass of TMPTA. It serves as the primary resin specifically designed for PCB inks.


Recommended use:

Suitable for PCB inks, etc.

Shelf life:

Store at room temperature, sealed and protected from light. Shelf life: 6 months.

Packaging specifications:

200L packaging drum.

Precautions:

None

TDS

TDS Download:

B-191A TDS (2025.04 version)

Product Specifications:

Project Indicator Detection method
Appearance Transparent liquid Visually
Color (APHA) ≤300 GB/T 3143-1982 (Platinum-Cobalt Method)
Viscosity (cps/30℃) 15,000–25,000 GB/T 2794-2013
Acid value (mg KOH/g) ≤2.0 GB/T 6743-2008
Specific gravity (g/cm3) 1.16 ± 0.02 GB/T 6750-2007
Refractive index (25℃) 1.532 ± 0.005 GB/T 614-2006
Active ingredient (%) 100 Theoretical value
Functionality 3-4 Theoretical value

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